Lincoln Navigator: Automatic Transmission - 10-Speed Automatic Transmission – 10R80 / Transmission Fluid Auxiliary Pump. Removal and Installation

Lincoln Navigator 2018-2025 Workshop Manual / Automatic Transmission / Automatic Transmission - 10-Speed Automatic Transmission – 10R80 / Transmission Fluid Auxiliary Pump. Removal and Installation

Removal

NOTE: It is not necessary to remove the transmission fluid filter to remove the transmission fluid auxiliary pump.
Remove the transmission fluid pan and gasket.
Refer to: Transmission Fluid Pan, Gasket and Filter (307-01 Automatic Transmission - 10-Speed Automatic Transmission – 10R80, Removal and Installation).

Remove the bolt and the transmission fluid auxiliary pump tube.

Remove the transmission fluid auxiliary pump tube seal.

Disconnect the transmission fluid auxiliary pump.

NOTE: A short 1/4" drive T-30 socket is required to remove the rear pump bolt.

NOTE: The fluid auxiliary pump may need to be removed from the RH side of the vehicle to clear the exhaust system and fluid filter.

Remove the bolts and the transmission fluid auxiliary pump.
1. If necessary, remove the fluid auxiliary pump towards the RH side.

Installation

Install the transmission fluid auxiliary pump and loosely install the bolts.

Install the transmission fluid auxiliary pump tube seal.

Inspect the transmission fluid auxiliary pump tube O-ring.

Install the transmission fluid auxiliary pump tube and loosely install the bolt.

1. Transmission fluid auxiliary pump bolts
  Torque: 97 lb.in (11 Nm)
1. Transmission fluid auxiliary pump tube bolt
  Torque: 106 lb.in (12 Nm)

Connect the transmission fluid auxiliary pump electrical connector.

Install the transmission fluid pan and gasket.
Refer to: Transmission Fluid Pan, Gasket and Filter (307-01 Automatic Transmission - 10-Speed Automatic Transmission – 10R80, Removal and Installation).

Transmission. Removal and Installation

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Rear Drive Halfshafts. Diagnosis and Testing

Preliminary Inspection

Visually inspect the CV joints, housing, boots, and clamps for obvious signs of mechanical damage.
If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step
If the cause is not visually evident, verify the symptom and REFER to Symptom Chart: NVH.